题目内容

使用“墙洞口”工具可以在直线墙或曲线墙上剪切洞口,以下说法正确的是:( )

A. 对于墙,可创建圆形洞口
B. 对于墙,可创建多边形洞口
C. 对于墙,只能创建矩形洞口
D. A、B的说法是正确

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更多问题

楼梯间处的楼板洞口一般采用哪种洞口( )

A. 面洞口
B. 垂直洞口
C. 竖井洞口
D. 老虎窗洞口

I ___ my letter with a visit.

A. followed
B. followed on
C. followed through
D. followed up

To some extent , smoking is ____ to lung cancer.

A. in relation
B. has nothing to do
C. connected
D. contacted

They have made great ____ to the relief funds.

A. contributions
B. help
C. aids
D. money

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